In this case X being attacks against the people who happen to be of Chinese ancestry (thus something to avoid), while Y being firmly referring to and calling out the régime and ideology that engaged in cover-ups (thus something to retain and not silence).
Close-to-home analogy: 'the Ukrainian reactor meltdown' and 'the commie reactor meltdown' both refer to Chornobyl 1986, but the former can be linked to a nationality, while the latter firmly calls out the régime and ideology that got involved in the cover-up of the disaster.